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S P E C I F I C AT I O N S
Directed Part Number
Model Number
Fs (free-air resonance)
Vas (equivalent compliance, cu. ft.)
Vas (equivalent compliance, liters)
Qms (Q, mechanical)
Qes (Q, electrical)
Qts (total driver Q)
Re (DC resistance, ohms)
Z (nominal impedance, ohms)
Le (inductance, mh)
Efficiency (2.83v/1M, dB)
Xmax (one-way linear excursion, in.)
Xmax (one-way linear excursion, mm)
Power (continuous power handling)*
Peak power handling (music,)**
Mms (total moving mass, grams)
Cms (mechanical compliance, µM/N)
BI (motor strength, Tesla-M)
Sd (effective radiating area, sq. m.)
Sd (effective radiating area, sq. in.)
Frequency range (Hz)
Energy Bandwidth Product (EBP)
D r i v e r P h y s i c a l D i m e n s i o n
Speaker Displacement (cu. ft.)
Mounting hole diameter (in.)
Mounting depth (in.)
Basket diameter (in.)
R e c o m m e n d e d E n c l o s u r e s
Typical Sealed Enclosure (cu. ft.)
SPL Sealed Enclosure (cu. ft.)**
Low Qtc Sealed Enclosure (cu. ft)*
Vented Enclosure (cu. ft.) ***
Port Tuning Frequency (Hz)
Port Diameter (inside in.)
Equivalent Square Port (in.)
Port Length (in.)
1. Parameters listed are for conventional applications only, for further help please call Tech Audio Support
2. Recommend enclosure are NET Box Volumes, speaker and port displacement are NOT calculated into the
volume of the enclosure, you will need to add these volumes to calculate GROSS volume for the enclosure.
3. The approximate volume of air displaced by the port can be calculated by using the square port area (H x W)
times the port length and then divide by 1728 to get cubic feet.
4. Please call Technical Audio support for further specifications and information: 1-800-876-0800 ext. 2032
Specifications subject to change without notice © 2005 Directed Electronics, Vista, CA.—all rights reserved
27050
27055
C2 102
C2 104
31.82
29.76
1.32
1.63
37.37
46.26
6.02
5.89
0.53
0.57
0.49
0.52
3.8
6.4
4
8
1.52
2.14
88.7
86.2
0.35
0.35
9
9
200 watts
200 watts
400 watts
400 watts
105
97
238
295
12.18
14.26
0.0327
0.0327
50.66
50.66
30-2.5k
30-2.5k
60
52
0.05
0.05
8.75
8.75
5
5
10.66
10.66
0.5
0.6
0.30
0.35
0.75
0.80
1
1
35
35
3
3
2.68 x 2.68
2.68 x 2.68
25
25
*
**
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